Genomic analysis of Marinomonas algicola SM1966T reveals its role in marine sulfur cycling

Min Zhang; Xiao-Di Wang; Yue Lin; Shu-Yan Wang; Shan Zhang; Jin Cheng; Mei-Ling Sun; Peng Wang; Hui-Hui Fu; Chun-Yang Li; Nan Zhang

doi:10.1016/j.margen.2023.101043

Genomic analysis of Marinomonas algicola SM1966^T reveals its role in marine sulfur cycling

Mar Genomics. 2023 Aug:70:101043. doi: 10.1016/j.margen.2023.101043. Epub 2023 Apr 30.

Authors

Min Zhang¹, Xiao-Di Wang¹, Yue Lin¹, Shu-Yan Wang¹, Shan Zhang¹, Jin Cheng¹, Mei-Ling Sun¹, Peng Wang¹, Hui-Hui Fu¹, Chun-Yang Li², Nan Zhang³

Affiliations

¹ College of Marine Life Sciences, and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, China.
² College of Marine Life Sciences, and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, China. Electronic address: lcy@ouc.edu.cn.
³ School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China. Electronic address: zhangnan@qlu.edu.cn.

PMID: 37355295
DOI: 10.1016/j.margen.2023.101043

Abstract

Dimethylsulfoniopropionate (DMSP) is a ubiquitous organosulfur molecule in marine environments with important roles in global sulfur and nutrient cycling, which is mainly produced by marine phytoplankton and macroalgae. Marinomonas algicola SM1966^T, a Gram-negative, aerobic and rod-shaped bacterium, was isolated from the surface of Ulva pertusa (Chlorophyta) algal sample collected off the coastal areas of Rongcheng, China. Here, we report the complete genome sequence of strain SM1966^T and its genomic characteristics to utilize DMSP, which may be produced by Ulva pertusa. The genome of strain SM1966^T contains one circular chromosome (4.3 Mbp) and one circular plasmid (149,271 bp). Genomic analysis showed that strain SM1966^T possesses a set of genes involved in DMSP transport, DMSP cleavage and the catabolism of acrylate, one product of DMSP cleavage. The results indicated that strain SM1966^T has the capacity to utilize DMSP and produce dimethyl sulfide (DMS), a volatile infochemical with important roles in global sulfur cycling. This study provides genetic insights into DMSP catabolism by algae-associated bacteria.

Keywords: Dimethylsulfoniopropionate; Genomic analysis; Global sulfur cycling; Marinomonas algicola.

MeSH terms

Bacteria / genetics
Genome
Genomics
Marinomonas* / genetics
Sulfides / chemistry
Sulfides / metabolism
Sulfur / metabolism

Substances

Sulfur
Sulfides